„Students with different academic abilities and needs were less likely to attend the same school in 2012 than in 2003, on average across OECD countries.“
OECD (Hrsg.), „PISA in Focus 52“ (Juni 2015), S. 1
„Students with different academic abilities and needs were less likely to attend the same school in 2012 than in 2003, on average across OECD countries.“
OECD (Hrsg.), „PISA in Focus 52“ (Juni 2015), S. 1